diff -r 2a69b119cdee -r e91f54791e14 CookBook/document/cookbook.bib
--- a/CookBook/document/cookbook.bib	Sat Sep 06 04:32:18 2008 +0200
+++ b/CookBook/document/cookbook.bib	Tue Sep 09 14:57:23 2008 +0200
@@ -4,3 +4,18 @@
   title		= {The {Isabelle/Isar} Implementation},
   institution	= {Technische Universit\"at M\"unchen},
   note          = {\url{http://isabelle.in.tum.de/doc/implementation.pdf}}}
+
+
+@Book{isa-tutorial,
+  author	= {Tobias Nipkow and Lawrence C. Paulson and Markus Wenzel},
+  title		= {Isabelle/HOL: A Proof Assistant for Higher-Order Logic},
+  publisher	= {Springer},
+  year		= 2002,
+  note		= {LNCS Tutorial 2283}}
+
+@book{paulson-ml2,
+  author	= {Lawrence C. Paulson},
+  title		= {{ML} for the Working Programmer},
+  year		= 1996,
+  edition	= {2nd},
+  publisher	= {Cambridge University Press}}
\ No newline at end of file